diff options
| author | Ionut-robert Aron <ionut-robert.aron@nxp.com> | 2020-09-25 17:44:21 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-26 03:10:27 +0300 |
| commit | 5e29c16f3a327fb0f4e887a73588ae12e5e8b069 (patch) | |
| tree | 8a4cf47435025b1071554000f94e91b44d6bafb5 | |
| parent | 4c33a5bd063f9fdbced5fd1ceb7814e5f64f6a7b (diff) | |
| download | linux-5e29c16f3a327fb0f4e887a73588ae12e5e8b069.tar.xz | |
dpaa2-eth: install a single steering rule when SHARED_FS is enabled
When SHARED_FS is enabled on a DPNI object the flow steering tables are
shared between all the traffic classes. Modify the driver so that we
only add a new flow steering entry on the TC#0 when this new option is
enabled.
Signed-off-by: Ionut-robert Aron <ionut-robert.aron@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpni.h | 4 |
3 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 48679940c2c9..fe4caf7aad7c 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -3454,6 +3454,12 @@ static int dpaa2_eth_config_hash_key(struct dpaa2_eth_priv *priv, dma_addr_t key dev_err(dev, "dpni_set_rx_hash_dist failed\n"); break; } + + /* If the flow steering / hashing key is shared between all + * traffic classes, install it just once + */ + if (priv->dpni_attrs.options & DPNI_OPT_SHARED_FS) + break; } return err; @@ -3480,6 +3486,12 @@ static int dpaa2_eth_config_cls_key(struct dpaa2_eth_priv *priv, dma_addr_t key) dev_err(dev, "dpni_set_rx_fs_dist failed\n"); break; } + + /* If the flow steering / hashing key is shared between all + * traffic classes, install it just once + */ + if (priv->dpni_attrs.options & DPNI_OPT_SHARED_FS) + break; } return err; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c index 11e0c047dbd2..f981a523e13a 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -618,7 +618,7 @@ static int dpaa2_eth_do_cls_rule(struct net_device *net_dev, err = dpni_remove_fs_entry(priv->mc_io, 0, priv->mc_token, i, &rule_cfg); - if (err) + if (err || priv->dpni_attrs.options & DPNI_OPT_SHARED_FS) break; } diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h index 74456a37a997..e7b9e195b534 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h @@ -75,6 +75,10 @@ struct fsl_mc_io; * Disables the flow steering table. */ #define DPNI_OPT_NO_FS 0x000020 +/** + * Flow steering table is shared between all traffic classes + */ +#define DPNI_OPT_SHARED_FS 0x001000 int dpni_open(struct fsl_mc_io *mc_io, u32 cmd_flags, |